NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 695 - 699 of 1259

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Question number: 695

» Basic Concepts in Chemistry » Physical Quantities and Measurements

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MCQ▾

Question

Calculate the number of milliliters at STP of gas needed to precipitate cupric sulphide completely from 100 mL of a solution containing in 1L?

Choices

Choice (4)Response

a.

b.

21.4

c.

41.2

d.

14.2

Question number: 696

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

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MCQ▾

Question

What will be the product of chlorine water and acetylene?

Choices

Choice (4)Response

a.

Dichloro propanol

b.

2-Chloroethanol

c.

Propanol

d.

Dichloro ethanal

Question number: 697

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

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MCQ▾

Question

The triply bonded carbon atoms

(1) Are sp hybridised

(2) Are sp3 hybridised

(3) Have two pi bonds and one sigma bonds

(4) Have three sigma bonds and one pi bond

In the following questions, more than one of the answers given are correct. Select the correct answers and mark it according to the following codes:

Choices

Choice (4)Response

a.

2 and 4 are correct

b.

1,2 and 3 are correct

c.

1 and 2 are correct

d.

1 and 3 are correct

Question number: 698

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

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MCQ▾

Question

Acetylene magnesium chloride reacts with ethyl bromide, what will be the product?

Choices

Choice (4)Response

a.

1-butene

b.

1,3-butadiene

c.

2-butyne

d.

1.2-butadicnc

Question number: 699

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

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MCQ▾

Question

The alcohol which easily reacts with cone. HC1 is

Choices

Choice (4)Response

a.

(CH3) 3-C-OH

b.

(CH3) 3 -C - CH2 OH

c.

CH3-CH2-CH2-CH2-OH

d.

CH3-CHOH-CH2-CH3

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