Class 11

10. s-Block elements question bank (Chemistry)

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Q1.

Match column-I with column-II and select the appropriate option.

Column-I
(A) Li
(B) Be
(C) K
(D) Ca

Column-II
(P) \(ns^2np^6\) configuration in dipositive ion
(Q) Most electropositive in column-I
(R) No characteristic colour on bunsen flame
(S) Produces hydrated perchlorate (\(MClO_4 \cdot 3H_2O\))

(A)

A \(\rightarrow\) P, B \(\rightarrow\) Q, C \(\rightarrow\) R, D \(\rightarrow\) S

(B)

A \(\rightarrow\) Q, B \(\rightarrow\) R, C \(\rightarrow\) S, D \(\rightarrow\) P

(C)

A \(\rightarrow\) S, B \(\rightarrow\) R, C \(\rightarrow\) Q, D \(\rightarrow\) P

(D)

A \(\rightarrow\) S, B \(\rightarrow\) P, C \(\rightarrow\) Q, D \(\rightarrow\) R

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Q2.

Match column-I with column-II and select the appropriate option.

Column-I
(A) CaCO\(_3\)
(B) Na\(_2\)S\(_2\)O\(_3\) \(\cdot 5H_2O\)
(C) KNO\(_3\)
(D) NaHCO\(_3\)

Column-II
(P) Used in gun powder
(Q) Used in fire extinguishers
(R) Used as a flux in metallurgy
(S) Used in black and white photography

(A)

A \(\rightarrow\) R, B \(\rightarrow\) S, C \(\rightarrow\) P, D \(\rightarrow\) Q

(B)

A \(\rightarrow\) P, B \(\rightarrow\) S, C \(\rightarrow\) Q, D \(\rightarrow\) R

(C)

A \(\rightarrow\) R, B \(\rightarrow\) Q, C \(\rightarrow\) P, D \(\rightarrow\) S

(D)

A \(\rightarrow\) R, B \(\rightarrow\) S, C \(\rightarrow\) Q, D \(\rightarrow\) P

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