AIPMT 2011 Prelims | d and f Block Elements Question 45 | Chemistry

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Acidified K₂Cr₂O₇ solution turns green when Na₂SO₃ is added to it. This is due to the formation of

Cr₂(SO₄)₃

CrO$$_4^{2 - }$$

Cr₂(SO₃)₃

CrSO₄

AIPMT 2010 Mains

MCQ (Single Correct Answer)

-1

Match List I (substances) with List II (processes) employed in the manufacture of the substances and select the correct option.

(A) $$ \to $$ (i); (B) $$ \to $$ (iv); (C) $$ \to $$ (ii); (D) $$ \to $$ (iii)

(A) $$ \to $$ (i); (B) $$ \to $$ (ii); (C) $$ \to $$ (iii); (D) $$ \to $$ (iv)

(A) $$ \to $$ (iv); (B) $$ \to $$ (iii); (C) $$ \to $$ (ii); (D) $$ \to $$ (i)

(A) $$ \to $$ (iv); (B) $$ \to $$ (ii); (C) $$ \to $$ (iii); (D) $$ \to $$ (i)

AIPMT 2010 Mains

MCQ (Single Correct Answer)

-1

Which of the following oxidation states is the most common among the lanthanoids?

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

Which of the following ions will exhibit colour in aqueous solutions?

La³⁺ (Z = 57)

Ti³⁺ (Z = 22)

Lu³⁺ (Z = 71)

Se³⁺ (Z = 21)

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