Description : Which of the following has more number of `p pi-dpi` bonds?(all central atoms are in excited states)
Last Answer : Which of the following has more number of `p pi-dpi` bonds?(all central atoms are in excited states) A. `SO_(2)` B ... `SO_(3)^(2-)` D. `CO_(3)^(2-)`
Description : What is the number of sigma `(sigma)` and pi `(pi)` bonds present in sulphuric acid molecule ?
Last Answer : What is the number of sigma `(sigma)` and pi `(pi)` bonds present in sulphuric acid molecule ? A. 6 `sigma` ... ` and 4 `pi` D. 2 `sigma` and 2 `pi`
Description : Statement-I : Elements of oxygen family are not capable of forming `p pi-p pi` bonds with other elements of smaller size like C, N ets Statement-II :
Last Answer : Statement-I : Elements of oxygen family are not capable of forming `p pi-p pi` bonds with ... Statement-I is not correct and Statement-II is correct
Description : Which of the following contains `p pi-dpi` bonds
Last Answer : Which of the following contains `p pi-dpi` bonds A. `NO_(2)` B. `SO_(3)` C. `SO_(2)` D. Both 2 and 3
Description : Pi bonds are formed by the overlap of: w) unhybridized p orbitals x) sp2 hybridized orbitals y) sp hybridized orbitals z) unhybridized s orbitals
Last Answer : ANSWER: W -- UNHYBRIDIZED P ORBITALS
Description : How many sigma and pi bonds are present in nitrogen formula ?
Last Answer : Each nitrogen molecule contain one sigma and 2 Pi bonds
Description : In double bond, how many sigma and Pi bonds are present in it ?
Last Answer : Double bond = 1 Sigma bond and one Pi bond Among sigma and Pi bonds which is the stronger one Sigma bond is Stronger than pi bond
Description : In the reaction, `Cl_(2)+OH^(-)rarrCl^(-)+ClO_(4)^(-1)+H_(2)O`, chlorine is:
Last Answer : In the reaction, `Cl_(2)+OH^(-)rarrCl^(-)+ClO_(4)^(-1)+H_(2)O`, chlorine is: A. ... C. Oxidised as well as reduced D. Neigher oxidised nor reduced
Description : For the reaction : `I^(-)+ClO_(3)^(-)+H_(2)SO_(4) to Cl^(-)+HSO_(4)^(-)+I_(2)` The correct statement(s) in the balanced equation is/are:
Last Answer : For the reaction : `I^(-)+ClO_(3)^(-)+H_(2)SO_(4) to Cl^(-)+HSO_(4)^(-)+I_(2)` The ... Sulphur is reduced. D. `H_(2)O` is one of the products.
Description : The number of `pi` bonds in perxenate ion is :
Last Answer : The number of `pi` bonds in perxenate ion is :
Description : Write the name and structure of a saturated compound in which the carbon atoms are shaped in a ring. Also write the number of bonds present in that compound? -SST 10th
Last Answer : It’s cyclo alkane, it can be any cyclo alkane like cyclo pentane or cyclo hexane.
Description : Which of the following molecules has both `p_(pi)-p_(pi) and p_(pi)-d_(pi)` bonds
Last Answer : Which of the following molecules has both `p_(pi)-p_(pi) and p_(pi)-d_(pi)` bonds A. `XeO_(2)F_(2)` B. `SO_(2)Cl_(2)` C. `SO_(3)` D. `XeO_(3)`
Description : The nature of `pi` - bonds in `XeO_(3)` :
Last Answer : The nature of `pi` - bonds in `XeO_(3)` : A. two `(p pi- p pi)` and one `(p pi- d pi)` B. one `(p ... C. three `(p pi- d pi)` D. three `(p pi- p pi)`
Description : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2)S_(2)O_(6)" "(II)H_(2)S_(2)O_(3)"
Last Answer : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2) ... I C. II, I, III D. I, III,II
Description : In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are
Last Answer : In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are A. ... (pi)-p_(pi)` and one `p_(pi)-p_(pi)`
Last Answer : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2) ... i C. ii, I, iii D. I, iii, ii
Description : How many sigma and pi bonds are there in a triple bond?
Last Answer : 1 sigma, 2 pi bonds in a triple bond.
Description : The higher reactivity of an alkene or alkyne, as compared to an alkane, is due to (a) sigma bonds (b) pi bonds (c) hydrogen bonds (d) None of these
Last Answer : pi bonds
Description : Which of the following statements is not true about propyne, HC–C≡CH3? (a) It contains six sigma bonds. (b) It contains three pi bonds. (c) The H–C–H bond angle is about 109.5°. (d) The C–C–C bond angle is 180°.
Last Answer : It contains three pi bonds
Description : Which of the following describes a triple bond? (a) two sigma bonds and two pi bonds (b) one sigma bond and one pi bond (c) two sigma bonds and one pi bond (d) one sigma bond and two pi bonds
Last Answer : one sigma bond and two pi bonds
Description : A triple bond consists of (a) 2 sigma bonds and 1 pi bond (b) 3 sigma bonds (c) 1 sigma bond and 2 pi bonds (d) 3 pi bonds
Last Answer : 1 sigma bond and 2 pi bonds
Description : A triple bond consists of how many pi bonds and how many sigma bonds?
Last Answer : ANSWER: ONE SIGMA BOND AND TWO PI BONDS
Description : A triple bond consists of: w) three sigma bonds x) three pi bonds y) two sigma bonds and one pi bond z) one sigma bond and two pi bonds
Last Answer : ANSWER: Z -- ONE SIGMA BOND AND TWO PI BONDS
Description : Pi bonds are formed by the overlap of what specific type of orbitals:
Last Answer : ANSWER: UNHYBRIDIZED P ORBITALS
Description : How many `P = O` bonds are present in `(HPO_(3))_(3)` ?
Last Answer : How many `P = O` bonds are present in `(HPO_(3))_(3)` ?
Description : The ratio of the distance moved by a compound to the distance moved by the solvent frent is known as its (A) PI value (B) Linking number (C) Rf value (D) Gold number
Last Answer : Answer : C
Description : What name is given to those elementary particles for which there is a symmetry under intrapair production. Included are photons, pi mesons, and nuclei with an even number of particles.
Last Answer : ANSWER: BOSONS
Description : How many p orbitals result when delocalized and pi orbitals form?
Last Answer : Need answer
Description : If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in square kilometres is A, the total run-off Q, is given by (A) Q = 1.758 102 API (B) Q = 2.758 ... API (C) Q = 2.758 103 API (D) Q = 2.758 103 A/PI
Last Answer : (C) Q = 2.758 × 103 × API
Description : How can you identify a delocalized and pi system is present?
Description : When operating under a single-period capital-rationing constraint, you may first want to try selecting projects by descending order of their in order to give yourself the best chance to select the mix of ... net present value (NPV) C. internal rate of return (IRR) D. payback period (PBP)
Last Answer : B. net present value (NPV)
Description : A profitability index (PI) of .92 for a project means that . A. The project's costs (cash outlay) are (is) less than the present value of the project's benefits B. The project's NPV is ... is greater than 1 D. The project returns 92 cents in present value for each current rupee invested (cost)
Last Answer : C. The project's NPV is greater than 1
Description : If 'S' is the amount available after 'n' interest periods for an initial principal 'P' with the discrete compound interest rate 'i', the present worth is given by (A) (1 + i)n/S (B) S/(1 + i)n (C) S/(1 + in) (D) S/(1 + n)i
Last Answer : B) S/(1 + i)n
Description : How can an organic compound exist without single bonds between the carbons?
Last Answer : This is a question much asked on the internet which leads me to believe it is a homework question. I do not believe in just giving students the answer as that would be ... /quantico/qmhs/homeworkHotline/documents/elementsoflivingthings.pdf read the pages and find your answer there. Good luck!
Description : Mark the compound which possesses ionic, covalent and coordinate bonds. (1) NH4C1 (2) SO3 (3) SO2 (4) H2O
Last Answer : (1) NH4C1 Explanation: Ammonium chloride (NH4Cl) is generally considered as an ionic compound but this compound has three different types of bond.
Description : Which of the following statements about propene, CH3CH=CH2, is correct? (a) All nine atoms lie in the same plane. (b) The compound has a cis and trans isomer. (c) There is a total of eight sigma bonds. (d) All the carbon atoms are sp2 hybridized
Last Answer : There is a total of eight sigma bonds.
Description : The polar bonds existing in III-V compound semiconductor, may be considered as equivalent to (a) 1 ionic bond and 3 covalent bonds (b) 1 ionic bond and 4 covalent bonds (c) 2 ionic bonds and 2 covalent bonds (d) 2 ionic bonds and 4 covalent bonds
Last Answer : The polar bonds existing in III-V compound semiconductor, may be considered as equivalent to 1 ionic bond and 3 covalent bonds
Description : The number of P-O-P bonds in cyclic trimetaphosphoric acid is :
Last Answer : The number of P-O-P bonds in cyclic trimetaphosphoric acid is : A. zero B. two C. three D. four
Description : The number of s and p bonds in `XeO_(3)` molecule are
Last Answer : The number of s and p bonds in `XeO_(3)` molecule are A. 1s , 2p B. 3s , 3p C. 3s , 0p D. 2s , 1p
Description : If `sin^4 alpha + 4 cos^4 beta + 2 = 4sqrt2 sin alpha cos beta ; alpha, beta in [0,pi],` then `cos(alpha+beta) - cos(alpha - beta)` is equal to :
Last Answer : If `sin^4 alpha + 4 cos^4 beta + 2 = 4sqrt2 sin alpha cos beta ; alpha, beta in [0,pi],` then `cos(alpha+beta ... sqrt(2)` B. `0` C. `sqrt(2)` D. `-1`
Description : If the sum of all the solutions of the equation `8 cosx.(cos(pi/6+x)cos(pi/6-x)-1/2)=1` in `[0,pi]` is `k pi` then k is equal to
Last Answer : If the sum of all the solutions of the equation `8 cosx.(cos(pi/6+x)cos(pi/6-x)-1/2)=1` in `[0,pi]` is `k pi` ... (20)/(9)` C. `(2)/(3)` D. `(13)/(9)`
Description : Q. The value of is equal `sum_(k=1)^13(1/(sin(pi/4+(k-1)pi/6)sin(pi/4+k pi/6))` is equal
Last Answer : Q. The value of is equal `sum_(k=1)^13(1/(sin(pi/4+(k-1)pi/6)sin(pi/4+k pi/6))` is equal A. `3-sqrt(3)` ... (3))` C. `2(sqrt(3)-1)` D. `2(2+sqrt(3))`
Description : Let `S={xepsilon(-pi,pi):x!=0,+pi/2}`The sum of all distinct solutions of the equation `sqrt3secx+cosecx+2(tan x-cot x)=0` in the set S is equal to
Last Answer : Let `S={xepsilon(-pi,pi):x!=0,+pi/2}`The sum of all distinct solutions of the equation `sqrt3secx+cosecx+2(tan x- ... 2pi)/(9)` C. `0` D. `(5pi)/(9)`
Description : If the arithmetic mean of the roots of the equation `4cos^(3)x-4cos^(2)x-cos(pi+x)-1=0` in the interval `[0,315]` is equal to `kpi`, then the value of
Last Answer : If the arithmetic mean of the roots of the equation `4cos^(3)x-4cos^(2)x-cos(pi+x)-1=0` in the interval `[0,315 ... is A. `10` B. `20` C. `50` D. `80`
Description : Frame the formula: The lateral surface area of a cylinder S is equal to twice the product of `pi`, radius (r) and height (h) of the cylinder.
Last Answer : Frame the formula: The lateral surface area of a cylinder S is equal to twice the product of `pi`, radius (r) ... `S=pirh` C. `2S=pirh` D. `S=2pirh`
Description : Two concentric coils each of radius equal to `2 pi cm` are placed at right angles to each other ` 3 ampere and 4 ampere` are the currents flowing in e
Last Answer : Two concentric coils each of radius equal to `2 pi cm` are placed at right angles to each other ` 3 ampere and 4 ... ` C. `7xx10^(-5)` D. `10^(-5)`