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Among the trihalides of nitrogen which one is the most basic?
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When SO2 is passed through an acidified solution of potassium dichromate, then chromium sulphate is formed. The change in the valency of chromium is ______.
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Which among the following metals crystallise as a simple cube?
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What is the oxidation number of gold in the complex [AuCl4]1−?
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In which substance does nitrogen exhibit the lowest oxidation state?
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What are the products of auto-photolysis of water?
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Among the following order, which one is the correct order of reactivity of group 16 elements?
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Identify the product formed in the following reaction.
\[\ce{C6H5CH2 - CH3 ->[(i) alk. KMnO4][(ii) H3O+] ?}\]
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Which of the following is incorrectly matched?
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What is the coordination number of atoms in bcc crystal lattice?
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Which of the following scientic notation of some figures is not correct?
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Consider the following reaction.
I. \[\ce{Na2B4O7 ->[760° C] {...A...} + B2O3}\]
II. \[\ce{Si + KOH + H2O ->{...B...} + H2\uparrow}\]
III. \[\ce{P2O5 + HNO3 -> HPO3 + {...C...}}\]
IV. \[\ce{NH3 + Cl2(excess) -> {...D...} + HCl}\]
Identify the missing products of the given reactions.
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A compound is formed by elements A and B. This crystallizes in the cubic structure when atoms A are at the comers of the cube and atoms B are at the centre of the body. The simplest formula of the compounds is ____________.
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The term anomers of glucose refer to ____________.
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In alkaline hydrolysis of tertiary butyl bromide, ____________.
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In which of the following nanomaterial, all three dimensions are less than 100 nm?
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Which of the following is NOT a colligative property?
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\[\ce{X ->[Sn/HCl] Propan-2-amine}\]
Compound X is ____________.
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Which of the following is obtained by catalytic oxidation of ammonia?
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Which would exhibit coordination isomerism?
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