IIT-JEE 2003 Screening | Some Basic Concepts of Chemistry Question 19 | Chemistry

IIT-JEE 2003 Screening

MCQ (Single Correct Answer)

-0.5

Mixture X = 0.02 mol of [Co(NH₃)₅SO₄]Br and 0.02 mol of [Co(NH₃)₅Br]SO₄ was prepared in 2 litre of solution.
1 litre of mixture X + excess AgNO₃ $$ \to $$ Y.
1 litre of mixture X + excess BaCl₂ $$ \to $$ Z
No. of moles of Y and Z are

0.01, 0.01

0.02, 0.01

0.01, 0.02

0.02, 0.02

IIT-JEE 2003 Screening

MCQ (Single Correct Answer)

-0.5

Which has maximum number of atoms?

24 g of C(12)

56g of Fe(56)

27g of Al(27)

108g of Ag(108)

IIT-JEE 2002 Screening

MCQ (Single Correct Answer)

-0.5

How many moles of electron weigh one kilogram?

$$6.023 \times {10^{23}}$$

$${1 \over {9.108}} \times {10^{31}}$$

$${{6.023} \over {9.108}} \times {10^{54}}$$

$${1 \over {9.108 \times 6.023}} \times {10^8}$$

IIT-JEE 2001 Screening

MCQ (Single Correct Answer)

-0.5

In the standardization of Na₂S₂O₃ using K₂Cr₂O₇ by iodometry, the equivalent weight of K₂Cr₂O₇ is:

(molecular weight)/2

(molecular weight)/6

(molecular weight)/3

Same as molecular weight

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