NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 752 - 758 of 1258

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Question number: 752

» Basic Concepts in Chemistry » Mole Concept

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MCQ▾

Question

is dissolved in 1L water. The number of ions of and of this solution will be?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 753

» Basic Concepts in Chemistry » Percentage Composition

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Question

Chlorophyll contains of magnesium by mass. Calculate the number of magnesium atoms in of chlorophyll?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 754

» Organic Compounds with Oxygen » Preparation, Properties and Reactions and Uses

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Question

Glycerol reacts with P4 + I2 to form

Choices

Choice (4) Response

a.

Acetylene

b.

Aldehyde

c.

Allyl iodide

d.

Allyl alcohol

Question number: 755

» Basic Concepts in Chemistry » Physical Quantities and Measurements

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Question

The pressure exerted by a 1 mm column of mercury at ?

Choices

Choice (4) Response

a.

Atmosphere

b.

Torr

c.

Dyne

d.

Coulomb

Question number: 756

» Hydrocarbons » Alkynes » Addition of Hydrogen, Halogens, Water and Hydrogen Halides

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Question

What is the chief product of reaction between β-butylene chloride and ale. KOH/NaNH2?

Choices

Choice (4) Response

a.

1-butyne

b.

1,2-butadiene

c.

2-butync

d.

1,3-butadiene

Question number: 757

» Basic Concepts in Chemistry » Laws of Chemical Combination

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MCQ▾

Question

In the reaction , the ratio of volumes of nitrogen, hydrogen and ammonia is 1: 3: 2. There figures illustrate the law of?

Choices

Choice (4) Response

a.

Constant proportions

b.

Gay – Lussac

c.

Reciprocal proportions

d.

Multiple proportions

Question number: 758

» Biomolecules » Carbohydrates

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MCQ▾

Question

Glucose reach with Tollen’s reagent to give a derivative of?

Choices

Choice (4) Response

a.

Ketoacid

b.

Monocarboxylic acid

c.

Carboxylic acid

d.

Ketone