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Consider a unit cell in which atoms will occupy all corner points, all face centres, body centre and also all edge centres of the cube. Q65) The radius ratio of the voids (rvoid/ratom) is a) 0.366 b) 0.414 c) 0.225 d) 0.732 a ...

*Image* plz answer wid explaination ...

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m e-co-me on reacting with high temp. gives mesitylene.explain it???????? ...

1)is this statement correct Gravitational potential of earth at every place on it is negative it will be negative if we take refrence as infinity Won't it be changed if we change the refrence point 2)Assertion: Even when the ...

why terminal alkenes are forward over non-terminal alkenes in birch rxn?????????????? ...

under SN2 cond, name the product formed by nucleophilic subst of bromine by methoxide in cis-1 -bromo-4-methylcyclohexane. ...

no of planes which are at a given perpendicular distance from a given point and passing through a given point is : a) 0 b) 2 c) 4 d) infinity ...

the lower end of capillary tube is at a depth of 12 cm in water and the water rises 3 cm in it The mouth pressure required to blow an air bubble at the lower end will be ...

why heavier isotopes form stronger bond????[7] ...

why amide enolate gives a better ratio of alkylation to elimination compared to ketone enolate given that the competition b/w enolate alkylation and base induced E2 elimination with ethyliodide electrophile is finely balanced ...

WHY t-BuF is solvolysed in only very acidic medium? ...

hey guys i am not getting the answer, plzz help *Image* a rod of length L is lying on a smooth roller of height `h` as shown. find the coefficient of friction between the lower end of the rod and ground if the minimum angle i ...

Why alkyl flourides and chlorides are less dense than water?[7] ...

21. A parallel plate capacitor with air gap between its plates is charged using a battery and remains connected to the battery. Match the column I with column II. Column I Column II (a) Electric field intensity between the pl ...

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this is my request for all Bhaiyyas here to tell their thoughts abt iit as they ve seen it my q is" are IITs really worth it or is it over exaggerated ?" ...

THIS IS TO TELL EVERYONE IN THIS SITE THAT IM LEAVING THIS SITE UNTILL BOARD EXAMS SO BYEE EVERYONE ESPECIALLY BHAIYYAS ....... [14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][14][ ...

The coefficient of volumetric expansion of a block of mass is A the desinty of the block at room temperature is D density of a liquid is 2D at room temperature The coefficient of volumetric expansion of the liquid is B Find t ...

Radius (R<4) of a O which touches the circle x2+y2=16 externally and angle between the direct common tangents is tan-1(24/7) is __ ...

How can v increase the work-function of Tungsten??? ...

Today's FULL Test XI AITS question.. [7] 1. Find.. lim (sin4x+sin4(2x)+...+sin4(2nx)) n→∞ 4 4n ...

PCl5 is more covalent than PF5 ...

an immersion heater , in a insulated vessel of negligible heat capacity brings 100 g of water to the boiling point from 16 degrees in 7 min. then find 1} power of heater 2}the water is replaced by 200 g alcohol, which is heat ...

why Concentrated HNO3 becomes yellow when exposed to light.(Or) concentrated HNO3 is an oxidizing agent. ...

A bullet loses 1/20 of its velocity in passing through a plank . what is the least number of planks which are required to stop the bullet. ...

Q)WHO IS THE BEST INDIAN CAPTAIN OF THE FOLLOWING????? 1.DHONI 2.KAPILDEV 3.SAURAV GANGULY 4.AJAY JADEJA CHOOSE THE BEST !!!!!!! ...

WHY The oxides in higher oxidation states of group 15 elements are more acidic than that of lower oxidation state ...

Let f'(sinx)<0 and f"(sinx)>0, for all x belonging to (0,pi/2) and g(x)=f(sinx)+f(cosx) then.. a) g(x) is increasing in x ε (0,pi/4) b) g(x) is increasing in x ε (pi/4,pi/2) c) g(x) decreases in (0,pi/4) d) g(x) is in ...

1) 2-pentyne ---------------> (NaNH2) gives A ----------> (methyl chloride) -----------> B -------->(NaNH2) C ---------------->( ethyl chloride)D the one in the brackets is the reagent added. and A,B,C,D are th ...