Recent questions tagged ch-12

$(CH_3)_2C =CHCOCH_3$ can be oxidized to $(CH_3)_2CX =CHCOOH$ by

asked Dec 10, 2015 by meena.p

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The compound formed when malonic acid is heated with urea is

asked Dec 10, 2015 by meena.p

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Which of the following compounds will give a yellow precipate with iodine and alkali ?

asked Dec 10, 2015 by meena.p

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Consider the reaction $RCHO+NH_2NH_2 \to RCH = NH_2$ What sort of reaction is it ?

asked Dec 10, 2015 by meena.p

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$CH_3CHO$ and $C_6H_5CH_2$ can be distinguished chemically by

asked Dec 10, 2015 by meena.p

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Clemmen reduction of a ketone is carried out in the presence of which of the following ?

asked Dec 9, 2015 by meena.p

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The product formed in Aldol condonsation is

asked Dec 9, 2015 by meena.p

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Which one of the following on treatment with $50\%$ aqueous sodium hydroxide yields the corresponding alcohol and acid ?

asked Dec 9, 2015 by meena.p

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Reduction of aldehydes and ketones into hydro carbons using zinc amalgam and conc. Hcl is called

asked Dec 9, 2015 by meena.p

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Nuclephilic addition reaction will be most favoured in

asked Dec 9, 2015 by meena.p

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Which one of the following can be oxidised to the corresponding carbonyl compound?

asked Dec 9, 2015 by meena.p

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$CH_2-C-CH_3$ and $CH_2=C-CH_3$ are:

asked Dec 9, 2015 by meena.p

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Which of the following give positive febling solution test?

asked Dec 9, 2015 by meena.p

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Which alkene on ozonolysis gives $CH_3 CH_2CHO$ and $CH_3COCH_3$?

asked Dec 9, 2015 by meena.p

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First product of the reaction between RCHO and $NH_2NH_2$ is

asked Dec 9, 2015 by meena.p

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Aldol condensation will not take place in

asked Dec 9, 2015 by meena.p

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In the reaction $CH_3CN+2H \to X \ \underrightarrow {boiling H_2O} \qquad y $ the term Y is

asked Dec 9, 2015 by meena.p

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Phenyl methanol can be prepared by reducing the henzaldehyde with

asked Dec 9, 2015 by meena.p

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The oxidation of toulene to benzaldehyde by cromul chloride is called

asked Dec 9, 2015 by meena.p

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Aldol condensation will not take place in

asked Dec 9, 2015 by meena.p

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In the reaction $CH_3CHO+HCN \to CH_3CH(OH)CH_2$, a chiral center is produced . this product is

asked Dec 9, 2015 by meena.p

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Which of the following compound will undergo self aldol condensation in the presence of cold dilute alkali ?

asked Dec 9, 2015 by meena.p

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Which of the following compounds will give positive test with tollen's reagent ?

asked Dec 9, 2015 by meena.p

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Sodium formate on heating yields

asked Dec 9, 2015 by meena.p

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Acetaldehyde reacts with

asked Dec 9, 2015 by meena.p

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The reagent(s) which can be used to distinguish acetophenone from benzophenone is (are)

asked Dec 9, 2015 by meena.p

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$CH_2-O-CH_2-O-CH_2-0$ obtained when a carbonyl compound is allowed to stand . It is a white solid . The polymer is

asked Dec 9, 2015 by meena.p

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Among the following the strongest acid is

asked Dec 9, 2015 by meena.p

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Formation is an aqueous solution of

asked Dec 9, 2015 by meena.p

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If formaldehyde and $KOH$ are heated , then we get,

asked Dec 9, 2015 by meena.p

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Benzophenone can be obtained by __________

asked Dec 9, 2015 by meena.p

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Through which of the following reactions number of carbon atoms can be increased in the chain?

asked Dec 9, 2015 by meena.p

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Which of the following conversions can be carried out by Clemmensen Reduction ?

asked Dec 9, 2015 by meena.p

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Treatment of compound $Ph-O-C-Ph$ with $NaOH$ solution yields

asked Dec 9, 2015 by meena.p

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In clemmensen Reduction carbonyl compound is treated with ____________

asked Dec 8, 2015 by meena.p

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Which of the following compounds will give butanone on oxidation with alkaline $KMO_4$ Solution ?

asked Dec 8, 2015 by meena.p

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Which is the most suitable reagent for the following conversion ? $CH_3-CH=CH-CH_2-C-CH_3 \to CH_3-CH =CH-CH_2-c -OH$

asked Dec 8, 2015 by meena.p

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Compounds A and C in the following reaction are ___________ $CH_3CHO \quad \underrightarrow {CH_3MgBr} \quad (A) \quad \underrightarrow {H_2SO_4} \quad (B) \quad \underrightarrow {Hydroboration } \quad (C)$

asked Dec 8, 2015 by meena.p

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$CH_3-C = CH \quad \underrightarrow {40\%H_2SO_4} \quad A \quad \underrightarrow {Isomersation} CH_3-C -CH_3$ Structure of A anf type of isomerisum in the above reaction are respectively

asked Dec 8, 2015 by meena.p

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The reagent which does not react with both, acetone and benzaldehyde

asked Dec 8, 2015 by meena.p

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Function group of aldehyde is

asked Dec 8, 2015 by meena.p

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john drawn a card from a pack of cards. What is the probability that the card drawn is a card of black suit ?

asked Aug 20, 2015 by meena.p

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What is the probability of getting a number less than 4 When a die is rolled ?

asked Aug 20, 2015 by meena.p

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Three coins are tossed. What is the probability of getting at most two tails ?

asked Aug 20, 2015 by meena.p

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What is the probability of getting an ace if I choose a card at random from a standard pack of 52 playing card .

asked Aug 20, 2015 by meena.p

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There are 15 balls numbered 1 to 15 in a bag. If a person selects one at random what is the probability that the number printed on the wall will be a prime number greater than 5?

asked Aug 20, 2015 by meena.p

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What is the probability of occurrence of an event ?

asked Aug 20, 2015 by meena.p

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In 100 throws of a dice , 5 is obtained 42 times . In a random throw, what is the probability of getting a 5 ?

asked Aug 20, 2015 by meena.p

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A die is thrown once , What is the probability of getting a prime number ?

asked Aug 20, 2015 by meena.p

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A school bag has 3 science books, 3 social science book, 1 maths book, 2 language books. What is the probability of getting science book ?

asked Aug 20, 2015 by meena.p

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