IIT-JEE 2007 Paper 2 Offline | s-Block Elements Question 5 | Chemistry

IIT-JEE 2007 Paper 2 Offline

MCQ (Single Correct Answer)

-1

Statement-1 : Alkali metals dissolves in liquid ammonia to give blue solutions

Statement-2 : Alkali metals in liquid ammonia give solvated species of the type $$\left[\mathrm{M}\left(\mathrm{NH}_{3}\right)_{n}\right]^{+} (\mathrm{M}=$$ alkali metals).

Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1

Statement-1 is True, 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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