Q. The acidic, basic and amphoteric oxides, respectively, are:

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Q. The de Broglie wavelength of an electron in the

4^{t h}

Bohr orbit is:

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Q. According to the following diagram, A reduces

B O_{2}

when the temperature is:

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Q. The

K_{s p}

for the following dissociation is

1.6 \times 10^{- 5}

P b C l_{2 (s)} ⇌ P b_{(a q)}^{2 +} + 2 C l_{(a q)}^{-}

Which of the following choices is correct for a mixture of

300

mL of

0.134

P b (N O_{3})_{2}

and

100

0.4

M NaCl?

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Q. Complex X of composition

C r (H_{2} O)_{6} C l_{n}

has a spin only magnetic moment of

3.83

BM. It reacts with

A g N O_{3}

and shows geometrical isomerism. The IUPAC nomenclature of X is:

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Q. The increasing order of basicity for the following intermediates is (from weak to strong)

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Q. For the following reactions:

A 700 K \to

Product

A 500 K \to c a t a l y s t

Product

it was found that the

E_{a}

is decreased by

30

kJ/mol in the presence of a catalyst. If the rate remains unchanged, the activation energy for the catalysed reaction is:

(Assume pre-exponential factor is same).

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Q. If enthalpy of atomisation for

B r_{2 (l)}

is x kJ/mol and bond enthalpy for

B r_{2}

is y kJ/mol, the relation between them:

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The major product(Y) in the following reactions is:

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Q. The compound that cannot act both as oxidising and reducing agent is:

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