IIT-JEE 2007 | s-Block Elements Question 4 | Chemistry

IIT-JEE 2007

MCQ (Single Correct Answer)

-0.5

The question contains STATEMENT - 1 (Assertion) and STATEMENT - 2 (Reason) and has 4 choices (a), (b), (c) and (d) out of which ONLY ONE is correct.
STATEMENT - 1 Alkali metals dissolve in liquid ammonia to give blue solutions. because
STATEMENT - 2 Alkali metals is liquid ammonia give solvated species of the type [M(NH₃)_n]⁺ (M = alkali metals)

Statement - 1 is true and Statement - 2 is true; Statement - 2 is a correct explanation for Statement - 1

Statement - 1 is true and Statement - 2 is true; Statement - 2 is not a correct explanation for Statement - 1

Statement - 1 is True, Statement - 2 is False

Statement - 1 is False, Statement - 2 is True

IIT-JEE 2004 Screening

MCQ (Single Correct Answer)

-0.25

A sodium salt on treatment with MgCl₃ gives white precipitate only on heating. The anion of the sodium salt is

$$HCO_3^-$$

$$CO_3^{2-}$$

$$NO_3^{-}$$

$$SO_4^{2-}$$

IIT-JEE 2001 Screening

MCQ (Single Correct Answer)

-0.25

The set representing the correct order of first ionization potential is

K > Na > Li

Be > Mg > Ca

B > C > N

Ge > Si > C

IIT-JEE 1996

MCQ (Single Correct Answer)

-0.25

The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct order
K₂CO₃ (A), MgCO₃ (B), CaCO₃ (C), BeCO₃ (D)

A < B < C < D

D < B < C < A

D < B < A < C

B < D < C < A

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