Consider the following silicates
(a) `BaTi(Si_(2)O_(9))`
(b) `ZnCa_(2)Si_(2)O_(7)`
Then calculate X+Y, where X and Y are total number of monovalent and divalent oxygen atoms in both silicates respectively.

Consider the following silicates (a) BaTi(Si_(3)O_(9)) (b) ZnCa_(2)Si_(2)O_(7) Then calculate X+Y, where X and Y are total number of monovalent and divalent oxygen atoms in both silicates respectively.

Consider the following complexes: (i) [FeIF(CN)(H_(2)O)(en)] (ii) [MoCl_(2)F_(2)(gly)]^(2-) Then, calculate value of |x-y| (where x and y are total number of possible optically active isomers in (i) and (ii) complex respectively).

Consider following four compounds: (i) C_(x) O_(y) (ii) C_(x)O_(y+1) (iii) C_(x+2)O_(y+1) and (iv) C_(x+11)O_(y+8) , if "x=y=1", then calculate the vlaue of |p-q|, where p and q are total number of sp^(2) and hybridized carbon atoms respectively in given four compounds.

Consider the following three compounds (i)AX_(2n)^(n-) , (ii) AX_(3n) and (ii) AX_(4n)^(n+) , where central atom A is 15th group element and their maximum covalency is 3n. If total number of proton in surrounding atom X is n and value of n is one, then calculate value of x^(3)+y^(2)+z^(2) . (where x, y and z are total number of lone pair at central atom in compounds (i), (ii) and (iii) respectively.

Consider the following three compounds (i)AX_(2n)^(n-) , (ii) AX_(3n) and (ii) AX_(4n)^(n+) , where central atom A is 15th group element and their maximum covalency is 3n. If total number of proton in surrounding atom X is n and value of n is one, then calculate value of x^(3)+y^(2)+z^(2) . (where x, y and z are total number of lone pair at central atom in compounds (i), (ii) and (iii) respectively.

Consider the following reaction : xMnO_(4)^(-)+yC_(2)O_(4)^(2-)+zH^(+) to xMn^(2+)+2yCO_(2)+(z)/(2)H_(2)O The value of x, y and z in the reaction are, respectively.

Consider the following reaction, xMnO_(4)^(-)+yC_(2)O_(4)^(2-)+zH^(+)toxMn^(2+)+2yCO_(2)+(z)/(2)H_(2)O The values of x,y and z in the reactions are, respectively

Consider the following reaction x MnO_(4)^(-) + C_(2)O_(4)^(2-) + zH^(+) rarr x Mn^(2+) + 2y CO_(2) + (z)/(2)H_(2)O The value of x, y and z in the reaction are respectively

Consider the following oxyanions: PO_(4)^(3-),P_(2)O_(6)^(4-),SO_(4)^(2-),MnO_(4)^(-),CrO_(4)^(2-),S_(2)O_(5)^(2-),S_(2)O_(7)^(2-) and find the value of R+Q-P where P-number of oxy anions having three equivalent X-O bonds per central atom Q=number of oxy anions having two equivalent X-O bonds per central atom. R=Number of oxy anions having four equivalent X-O bonds per central atom.

What is the value of x in the silicate mineral, Be_(3)Al_(2)Si_(x) O_(18) ?