NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1228 - 1232 of 1259

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Question number: 1228

» Basic Concepts in Chemistry » Matter and Its Nature

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Appeared in Year: 2014

MCQ▾

Question

The weight of silver (at. wt. ) displaced by a quantity of electricity which displaces mL of O2 at STP will be: (AIPMT)

Choices

Choice (4)Response

a.

54.0 g

b.

10.8 g

c.

108.0 g

d.

5.4 g

Question number: 1229

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

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MCQ▾

Question

,

Strongest reducing agent is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1230

» Basic Concepts in Chemistry » Matter and Its Nature

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Appeared in Year: 2011

MCQ▾

Question

In Dumas’ method of estimation of nitrogen 0.35 g of an organic compound gave 55 mL of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound would be (Aqueous tension at ) (AIPMT)

Choices

Choice (4)Response

a.

16.45

b.

14.45

c.

17.45

d.

15.45

Question number: 1231

» Redox Reactions & Electrochemistry » Electrode Potentials

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MCQ▾

Question

What is wrongly stated about electrochemical series?

Choices

Choice (4)Response

a.

It compares relative strengths of oxidizing agents.

b.

It is the representation of element in order of increasing or decreasing standard electrode reductional potential.

c.

It does not compare the relative reactivity of metals.

d.

is centrally placed element

Question number: 1232

» Redox Reactions & Electrochemistry » Redox Reactions

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MCQ▾

Question

The reaction is spontaneous if the cell potential is

Choices

Choice (4)Response

a.

Zero

b.

infinite

c.

Negative

d.

positive

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