P-Block Elements Group 13 to 18 (JEE (Based on NTA Guidelines-IIT Engg.) Mains Chemistry): Questions 1 - 5 of 70

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Question number: 1

» P-Block Elements Group 13 to 18 » Group 18 » Introduction

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Appeared in Year: 2014

MCQ▾

Question

Total number of lone pair of electrons in ion is (CSIR December)

Choices

Choice (4) Response

a.

b.

12

c.

6

d.

3

Question number: 2

» P-Block Elements Group 13 to 18 » Group 14 » Introduction

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MCQ▾

Question

An organic salt “A” is a strong reducing agent. It is hydrolysis in water gives a white turbidity (B) aqueous solution of “A” gives white (C) with . “A” reduces auric to produce purple of cassius. “A” also reduces iodine and gives chromyl chloride test inorganic salt “A” is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» P-Block Elements Group 13 to 18 » Group 14 » Silicates

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MCQ▾

Question

How many are shared per tetrahedral in silicate anion of beryl mineral?

Choices

Choice (4) Response

a.

b.

3

c.

1

d.

Question number: 4

» P-Block Elements Group 13 to 18 » Group 13 » Aluminum

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MCQ▾

Question

For Which of the following is correct?

Choices

Choice (4) Response

a.

is an amphoteric oxide

b.

(X) is a colorless, diamagnetic gas which contains with on heating

c.

(X) can be preplaced by action of

d.

All of the above

Question number: 5

» P-Block Elements Group 13 to 18 » Group 15 » Nitrogen

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MCQ▾

Question

A colorless inorganic salt (A) decompose completely at about 523 K to give only two products leaving no residue. The product (B) is a neutral gas while the product (C) is liquid at room temperature and is neutral to litmus. While burns in excess of (B) to produce a strong dehydrating agent . The Compound (A), (B) and (C) are respectively.

Choices

Choice (4) Response

a.

b.

c.

d.

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