Consider the following statements, "According the Werner's theory. :

(1) Ligands are connected to the metal ions by covalent bonds.

(2) Secondary valencies have directional properties.

(3) Secondary valencies are non-ionisable.

(4) Secondary valencies are satisfied by either neutral or negative legands.

Of these statements.

Which of the following is major product of following reaction?

Only One Option Correct Type

Direction (Q. Nos. 1-8) This section contains 8 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

Which of the S_N2 reaction is fastest?

A hydrocarbon C₅H₁₀ does not react with chlorine in dark but gives a single monochloro compound C₅H₉Cl in bright sunlight. The hydrocarbon is

Which of the following is the major product of following reaction?

CH₃CH = CH₂ + HBr in the presence of peroxide gives:

In which of the following complexes the nickel metal is in highest oxidation state.

The reaction which involves dichlorocarbene as an electrophile is

An organic compound X is oxidised by using acidified K₂Cr₂O₇. The product obtained reacts with Phenyl hydrazine but does not answer silver mirror test.

The possible structure of X is

What is the correct increasing order of reactivity of the followings in SN² reaction ?

I. CH₂ = CHCH₂ — Br

II. CH₂ = CH— I

III. CH₃CH₂CH₂ — I

IV. CH₃OCH₂CH₂ — I

What is the order of reactivity of following halogen acids on alcohols?

HI, HBr, HCl

This reaction is known as:

Trioxalato aluminate (III) and tetrafluorido-borate (III) ions are respectively :

A complex of platinum, ammonia and chloride produces four ions per molecule in the solution. The structure consistent with the observation is :

How many alcohols with molecular formula C₄H₁₀O are chiral in nature?

In which complex is the transition metal in zero oxidation state:

Type of isomerism exhibited by [Cr(NCS)(NH₃)₅] [ZnCl₄] :

The complexes given below show:

In the following question, two statements are given. One is assertion and the other is reason. Examine the statements carefully and mark the correct answer according to the instructions given below.

Assertion: The [Ni(en)₃CI₂] (en = ethylene diamine) has lower stability than [Ni(NH₃)₆CI₂].

Reason: In [Ni(en)₃CI₂], the geometry of Ni is trigonal bipyramidal.

The colour imparted by Co(II) compounds to glass is

Which of the following coordination entities should be expected to absorb light of lowest frequency?

The ligands in anti-cancer drug cis-platin are:

In the following question, two statements are given. One is assertion and the other is reason. Examine the statements carefully and mark the correct answer according to the instructions given below.

Assertion: [Co(NO2)3(NH3)3] does not show optical isomerism.

Reason: It has a plane of symmetry.

[Fe(NO₂)³CI₃]^3- and [Fe(O–NO)₃CI₃]^3- show

For which of the following pairs, magnetic moment is same?

In the following question, two statements are given. One is assertion and the other is reason. Examine the statements carefully and mark the correct answer accordingly.

Assertion: If β₄ for [Cu(NH₃)₄]²⁺ is 2.1 x 10¹³, its instability constant is 4.76 x 10^–14.

Reason: Overall dissociation equilibrium constant varies inversely with formation constant.

In the following question, two statements are given. One is Assertion and the other is Reason. Examine the statements carefully and mark the correct answer according to the instructions given below.

Assertion: CO and CN are referred to as π acid ligands.

Reason: In CO and CN, vacant π type orbitals are present.

The question consists of two statements: Assertion and Reason. While answering the question, you are required to choose any one of the following four responses.

Assertion: o-Dichlorobenzene is more soluble in organic solvents than the corresponding p-isomer.

Reason: o-Dichlorobenzene is polar, while p-dichlorobenzene is not.

The molecular formula of chloropicrin is

The best method for preparing alkyl chloride is

Ethyl bromide is industrially prepared from

What is the end product of the reaction of propene with N-bromosuccinimide?

Wurtz reaction involves the reduction of alkyl halide with

The production of CH₃CH=CHCH2Br on treatment of 1–butene with N–bromosuccinimide is an example of

The following reaction is known as

Consider the following reaction between alkyl halides, RX and alcoholic AgNO₃: RX + Ag → R⁺ + Ag⁺ X–

Which of the following statements is true about the above reaction?

In this question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Carboxylic acids are more acidic than phenols.

Reason (R): Phenols are ortho and para directing.

In this question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Methoxy ethane reacts with HI to give ethanol and iodomethane.

Reason (R): Reaction of ether with HI follows SN2 mechanism.

In this question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): (CH₃)₃C−O−CH₃ gives (CH₃)₃C−I and CH₃OH on treatment with HI.

Reason (R): The reaction occurs by S_N1 mechanism.

Reagents that convert acetophenone into the following alcohol are

Consider the following statements:

I. CH₃OH is prepared from pyroligneous acid by fractional distillation process.

II. When pyroligneous acid is treated with calcium hydroxide, acetic acid is removed in the form of calcium acetate and methanol can be obtained by fractional distillation method.

III. When starch is treated with steam and malt (a source of diastase), ethyl alcohol is obtained.

Which of the above statements is incorrect?

Which of the following statements is correct about cis-cyclopentan-1,2-diol and trans-cyclopentan-1,2-diol?

Arrange the following according to the decreasing order of their boiling points:

You are provided with a mixture of ortho, meta and para-nitrophenols. On steam distillation, the component obtained will be

Propene can be converted into propan-1-ol by oxidation. The reagent/set of reagents that affects this conversion is:

The IUPAC name of (CH₃)₂C=CHCH₂OH is

Bacterial photosynthesis comes from:

Hill reaction requires:

What is the last stage of a plant called?

Energy obtained from light reaction is transferred to dark reaction in form of:

What did Jan Ingenhousz's experiments reveal about the role of sunlight in plant processes?

Which of the following prevents the fall of fruits ?

Which of the following phenomena includes all the changes undergone by a living plant from seed emergence to death?

The substances that have an ability to absorb light at different specific wavelength are:

Krebs cycle is both catabolic and anabolic because it provides

Which of the following is not the characteristics of the cells of the phase of elongation?

Dough kept overnight in warm place becomes soft and spongy due to:

The respiratory ratio of protein is:

The enzyme that interconnects the glycolysis and kreb cycle is:

Photorespiration does NOT occur in:

In cells, ATP is synthesized in:

The organism which depend on the dead and decaying organic matter is:

Glycolysis is the conversion of:

In animal cells, the first stage of glucose break down is:

When and where anaerobic respiration does occurs in man and yeast?

Statement A: Most plants undergo indeterminate growth, growing as long as the plant lives.

Statement B: Indeterminate growth is synonymous to immortality.

The TCA cycle starts with:

Aerobic respiration is common in:

In kreb cycle, isocitric acid is converted into α-keto glutaric acid by:

Electrons from exited chlorophyll molecules of photosystem II are accepted first by:

In plants, the gaseous exchange take place in:

(a) Stomata

(b) Roots

(c) Stems

(d) Lenticels

On excitation, the electrons picked up by an electron acceptor is passed to:

Which one has Kranz anatomy?

The law of limiting factors is given by:

Respiration is:

Calvin cycle is discovered by:

During anaerobic respiration less energy is produced than aerobic respiration because:

Which of the following stages of calvin cycle are in CORRECT order?

Energy is stored in the form of:

In sugarcane, CO₂ is fixed in malic acid with the help of enzyme:

Dark fixation of CO² in CAM plants is called ossification because it produces:

What do the internal factors affecting photosynthesis dependent on?

Light energy is converted into chemical energy in the presence of

Which one of the following pairs is not correctly matched?

Exponential growth is dependent on

Solarisation is the process of

Measurement and the comparison of total growth per unit time is called

A hormone delaying senescence is

‘Foolish seedling’ disease of rice led to the discovery of

The point at which the amount of CO₂ fixed in photosynthesis is equal to the CO₂ evolved in respiration and photorespiration is called

Who proposed the law of limiting factor?

Which joint occurs between humerus and radioulna?

Which of the following statement is not true?

Skeletal muscle bundles [fascicles] are held together by a common connective tissue layer called:

Which of these disorders affect the neuromuscular junction?

Study of muscles is called :

The renal tubule which is stimulated by ADH hormone is

Glomerular membrane has three layers. Which of the following layers has/have cells which are of peculiar shape and are called podocytes (foot cells)?

a. The endothelium

b. The epithelium

c. The basement membrane

In nephron, the maximum reabsorption takes place in

What can affect the kidney function by its constrictory effects on blood vessels?

When concentrated urine is produced then osmolarity of blood

Diuresis is the condition in which

Which of the following substances is/are secreted by the active transport into the filtrate in the distal convoluted tubule?

a. K+ ions

b. Creatinine

c. Urea d. HCO₃- ions

e. Hippuric acid

Which of the following cover(s) the loop of Henle?

Which of the following changes plasma protein, called angiotensinogen to a peptide, called angiotensin II, which works as a hormone?

What is the amount of water excreted daily by humans through urine?

The functions of kidney are controlled by ADH, JGA and ANF. Which of the following is not a function of kidneys?

In which of the following disorders of the excretory system, a person is unable to secrete adequate quantities of hydrogen ions due to which large amounts of sodium bicarbonate are continuously lost into the urine?

Sweat contains all of the following, except:

Maximum reabsorption occurs in which of the following parts of the nephron?

Epithelium found in PCT of nephrons is

Which of the following is/are not the excretory organ(s) in humans?

Which of the following organs excrete(s) vitamins, bile pigments, drugs and cholesterol, and also helps in detoxification of nitrogenous waste?

Ureotelic excretion is found inA. mammalsB. amphibiansC. coelenteratesD. Both

Which of the following statements is/are false?

a. The collecting duct extends from the cortex of the kidney to the inner parts of the medulla.

b. Each human kidney has nearly one million complex tubular structures called Columns of Bertini.

c. The collecting duct can reabsorb large amounts of water to produce a concentrated urine.

How do coelenterates move from one place to another?

Degeneration of muscles due to a genetic disorder occurs in

Which of the following statements is/are false?

a. Fatigue is caused due to repeated activation of the muscles leading to the accumulation of lactic acid.

b. Myoglobin is a red coloured oxygen storing pigment in the muscles.

c. Muscles possessing very less quantity of myoglobin appear reddish.

Which of the following statements is/are false about the properties of the visceral muscles?

a. They are located in the inner walls of organs like alimentary canal and reproductive tract.

b. They are primarily involved in transportation of food through the digestive tract.

c. They have striped appearance under the microscope.

Which of the following is the functional unit of contraction in the muscles?

Largest bone in human body is:

Select the correct matching of the type of the joint with the example in human skeletal system.

The functional unit of contractile system in striated muscle is

Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.

In between fixed joints, where bones are held firmly,

The joint between atlas and axis is called

Which one of the following statements is correct with respect to kidney function regulation?

The reabsorption of the sodium from glomerular filtrate is regulated by the hormone _____________.

Which of the following sequences is correct regarding regulation of kidney function?

The slow twitch muscle fibres which are rich in myoglobin and have abundant mitochondria are

Which of the following statements is incorrect?

Which of the following sequences is correct?

The number of bones in the human skull or cranium is

Choose the pair of characteristics and example of a synovial joint in humans.

Which of the following determines the myosin head's ATPase activity?

Sliding filament theory can be best explained as: