NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 723 - 729 of 1259

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Question number: 723

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

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MCQ▾

Question

Which is the most suitable reagent among the following to distinguish compound (3) from the rest of the compounds?

(1)

(2)

(3)

(4)

Choices

Choice (4)Response

a.

Tollen’s reagent

b.

Br2 in CCl4

c.

Br2 in CH3COOH

d.

AlkalineKMnO4

Question number: 724

» Biomolecules » Proteins

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MCQ▾

Question

Identify which is zwitter ion

Identify Which is Zwitter Ion

In the above reaction what is zwitter ion?

Choices

Choice (4)Response

a.

C

b.

A and B

c.

A

d.

B

Question number: 725

» Organic Compounds with Oxygen » Alcohols » Inroduction

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MCQ▾

Question

Methylated spirit is

Choices

Choice (4)Response

a.

Methanol

b.

Methanamide

c.

Methanol + ethanol

d.

Methanoic acid

Question number: 726

» Solutions » Methods for Concentration of Solution

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Appeared in Year: 2016

MCQ▾

Question

Boric acid is an acid because its molecule

Choices

Choice (4)Response

a.

Contains replaceable H+ ion

b.

Combines with proton from water molecule

c.

Accepts OH from water releasing proton

d.

Gives up a proton

Question number: 727

» Biomolecules » Carbohydrates

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MCQ▾

Question

Which of the following trisaccharide?

Choices

Choice (4)Response

a.

Sucrose

b.

Raffinose

c.

Stachyose

d.

Question does not provide sufficient data or is vague

Question number: 728

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

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MCQ▾

Question

Chloroform is heated with Ag powder in laboratory what will be the product?

Choices

Choice (4)Response

a.

CH4

b.

Acetylene

c.

Ag2O

d.

CH2C12

Question number: 729

» Solutions » Abnormal Value of Molar Mass

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Appeared in Year: 2016

MCQ▾

Question

The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5N+H) in a 0.10 M aqueous pyridine solution (Kb for C5H5N = 1.7 × ) is

Choices

Choice (4)Response

a.

0.013 %

b.

0.0060 %

c.

1.6 %

d.

0.77 %

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