Primary alcohols can be obtained can be obtained from the reaction of the RMgX with
A sample of NaClO_(3) is converted by heat to NaCl with a loss of 0.16g of oxygen. The residue is dissolved in water and precipitated as AgCl . The mas of AgCl (in g) obtained will be: (Given : Molar mass of AgCl = 143.5 g mol^(-1) )
In how many 10 persons A_(1),A_(2),A_(3),....A_(10) can be arranged along row in such a way that A_(2) must always occupy the middle place to that of A_(1),A_(3). (i) 20*8! (ii) 20*7! (iii) 40*7!( iv )2!
If (1+px+x^(2))^(n)=1+a_(1)x+a_(2)x^(2)+…+a_(2n)x^(2n) . The remainder obtained when a_(1)+5a_(2)+9a_(3)+13a_(4)+…+(8n-3)a_(2n) is divided by (p+2) is
