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In which of the following arrangements octahedral voids are formed?
(i) hcp
(ii) bcc
(iii) simple cubic
(iv) fcc
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At equilibrium the rate of dissolution of a solid solute in a volatile liquid solvent is ______.
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An aqueous solution of hydrochloric acid:
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Which of the following is optically inactive?
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Which of the following is an example of SN2 reaction?
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Which of the following pairs is/are correctly matched?
| Reaction | Product | |
| I | RX + AgCN | RNC |
| II | RX + KCN | RCN |
| III | RX + KNO2 | \[\begin{array}{cc} \phantom{.......}\ce{O}\\ \phantom{.....}/\\ \ce{R - N}\phantom{....}\\ \phantom{.....}\backslash\backslash\\ \phantom{.......}\ce{O} \end{array}\] |
| IV | RX + AgNO2 | \[\ce{R-O-N=O}\] |
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Which of the following is a primary halide?
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Halogenation of alkanes is ____________.
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Which of the following reactions is an example of nucleophilic substitution reaction?
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Which one is most reactive towards SN1 reaction?
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Which one of the following halogen compounds is difficult to be hydrolysed by SN1 mechanism?
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The order of reactivity of the given haloalkanes towards nucleophile is:
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Most reactive halide towards SN1 reaction is ____________.
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In the SN1 reaction, racemization takes place. It is due to:
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The order of reactivities of the following alkyl halides for an SN2 reaction is:
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Optically active isomers but not mirror images are called ____________.
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SN2 mechanism proceeds through intervention of ____________.
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Which among MeX, RCH2X, R2CHX and R3CX is most reactive towards SN2 reaction?
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Isopropyl chloride undergoes hydrolysis by:
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Tertiary alkyl halides are practically inert to substitution by SN2 mechanism because of ____________.
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