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Which of the following statements is incorrect regarding preparation of alcohols? give primary alcohol and secondary alcohol respectively b) Ketones on reaction with Grignard’s reagent gives tertiary alcohol c) Aldehydes on reaction with Grignard’s reagent gives primary or secondary alcohol d) Alkyl halides on reaction alcoholic potash gives alcohol
The aldehydes which will not form Grignard product with one equivalent Grignard reagents are a)    b)    c)    d) 
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
If National Water Mission is properly and completely implemented, how will it impact the country? 1. Part of the water needs of urban areas will be met through recycling of waste-water. 2. The water requirements of coastal clues with inadequate alternative sources of water will be met by adopting appropriate technologies that allow for the use of ocean water. 3. All the rivers of Himalayan origin will be linked to the rivers of peninsular India. 4. The expenses incurred by farmers for digging bore-wells and for installing motors and pump-sets to draw ground-water will be completely reimbursed by the Government. Select the correct answer using the codes given below:
Chemical name of Grignard reagent is
Grignard reagent is chemically known as
Which of the following aldehydes can produce 1o alcohols when treated with Grignard reagent?
Grignard reagent is used in production of tetra ethyl lead (TEL) by electro chemical process. Is the statement true/false?
How can we prepare RR’ R” OH by the action of excess of a suitable Grignard reagent on which of the following reactants?
Which is not present in Grignard reagent?