haloalkene
with the help of polarity of c-x bond show that aryl halides are less reactive than alkyl halides
The number of moles of a solute in its solution is 20 and total no. of moles are 80. The mole fraction of solute wil be: (a) 2.5 (b) 0.25 (c) 1 (d) 0.75
What is the percent error in calculating the density of water using the ideal gas law for the following conditions: a. 110 oC, 1 bar b. 210 oC 10 bar c. 374 o
what is the equation for calculating molar mass of non volatile solute
Which is not a colligative property: (a) Refractive index (b) Lowering of vapour pressure (c) Depression of freezing point (d) Elevation of boiling point
Drugs are broadly classified into following types depending on the purpose for which they are used. 1. Antipyretics
What do you mean by the term medicine dropper? Explain briefly?
how haloalkane can be prepared by refluxing alcohol with hydrohalic acids
Choose the right answer from following. The vapour pressure lowering caused by the addition of 100 g of sucrose(molecular mass = 342) to 1000 g of water if the vapour pressure of pure water at 25degree C is 23.8 mm Hg: (a)1.25 mm Hg (b) 0.125 mm Hg (c) 1.15 mm H
The methods used for the preparation of phenols are given below: From aryl sulphonic acids
Can someone please help me in getting through this problem. With increase of temperature, which of the following changes: (i) Molality (ii) Weight fraction of solute (iii) Fraction of solute present in water (iv) Mole fraction.
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